The landmark Twins Study brought ten research teams around the country together to observe what physiological, molecular, and cognitive changes could happen to a human from exposure to spaceflight. This was accomplished by comparing retired astronaut Scott Kelly while he was in space, to his identical twin brother, retired astronaut Mark Kelly, who remained on Earth. Click below to learn more about the goals of the study.
Did you know that for nearly one year, retired astronaut Scott Kelly came into contact with only 12 humans while living aboard the International Space Station? Download the shareables below to discover more fun facts about the landmark Twins Study and the people who participated in it.